| [1199] | 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | //
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| 27 | // $Id: G4UnitsTableTest.cc,v 1.8 2006/06/29 19:04:51 gunter Exp $
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| 28 | //
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| 29 | // ----------------------------------------------------------------------
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| 30 | #include "G4ios.hh"
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| 31 | #include "globals.hh"
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| 32 | #include "G4ThreeVector.hh"
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| 33 | #include "G4UnitsTable.hh"
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| 34 |
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| 35 | #include <iomanip>
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| 36 |
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| 37 | int main()
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| 38 | {
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| 39 | //
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| 40 | // test the UnitsTable classes
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| 41 | //
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| 42 | // Build the Table of units
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| 43 | //
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| 44 | G4UnitDefinition::BuildUnitsTable();
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| 45 | G4UnitDefinition::PrintUnitsTable();
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| 46 |
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| 47 | // Get internal value of an unit
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| 48 | //
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| 49 | G4cout << "\n \t G4UnitDefinition::GetValueOf('Unit') \n";
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| 50 |
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| 51 | G4cout << " meter = " << G4UnitDefinition::GetValueOf("meter") << G4endl;
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| 52 | G4cout << " cm = " << G4UnitDefinition::GetValueOf("cm") << G4endl;
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| 53 | G4cout << " joule = " << G4UnitDefinition::GetValueOf("J") << G4endl;
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| 54 |
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| 55 | // Get category of an unit
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| 56 | //
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| 57 | G4cout << "\n \t G4UnitDefinition::GetCategory('Unit') \n";
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| 58 |
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| 59 | G4cout << " meter is " << G4UnitDefinition::GetCategory("m") << G4endl;
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| 60 | G4cout << " g is " << G4UnitDefinition::GetCategory("gram") << G4endl;
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| 61 | G4cout << " joule is " << G4UnitDefinition::GetCategory("J") << G4endl;
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| 62 | G4cout << " ns is " << G4UnitDefinition::GetCategory("ns") << G4endl;
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| 63 |
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| 64 | // Automatic conversion on output of a physical quantity
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| 65 | //
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| 66 | G4cout << "\n \t G4BestUnit \n";
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| 67 | G4cout.precision(3);
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| 68 |
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| 69 | G4cout << " a = " << std::setw(4) << G4BestUnit (0.5*GeV ,"Energy") << G4endl;
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| 70 | G4cout << " b = " << std::setw(4) << G4BestUnit (0.15*MeV,"Energy") << G4endl;
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| 71 | G4cout << " c = " << std::setw(4) << G4BestUnit (4000*MeV,"Energy") << G4endl;
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| 72 |
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| 73 | G4double x = -1000.*cm;
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| 74 | G4BestUnit d(x,"Length"); G4cout << " x = " << d << G4endl;
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| 75 | G4BestUnit e(2e40*m,"Length"); G4cout << " e = " << e << G4endl;
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| 76 | G4BestUnit f(DBL_MAX ,"Energy"); G4cout << " f = " << f << G4endl;
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| 77 | G4BestUnit h(0.,"Magnetic flux density"); G4cout << " h = " << h << G4endl;
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| 78 |
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| 79 | G4ThreeVector point(2*mm, 3*cm, 1*m);
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| 80 | G4ThreeVector momen(3*MeV, 2*keV, 0.);
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| 81 | G4cout << std::setw(6) << G4BestUnit (point, "Length") << G4endl;
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| 82 | G4cout << std::setw(6) << G4BestUnit (momen, "Energy") << G4endl;
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| 83 |
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| 84 | // Define new units
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| 85 | //
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| 86 | new G4UnitDefinition("kg/m3","kg/m3","Volumic Mass",kg/m3);
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| 87 | new G4UnitDefinition("g/cm3","g/cm3","Volumic Mass",g/cm3);
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| 88 |
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| 89 | G4double rho = 14.*mg/mm3;
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| 90 | G4cout << " rho = " << G4BestUnit (rho,"Volumic Mass") << G4endl;
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| 91 |
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| 92 | new G4UnitDefinition("g/cm2","g/cm2","Depth",g/cm2);
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| 93 |
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| 94 | //
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| 95 | // G4UnitDefinition::PrintUnitsTable();
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| 96 |
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| 97 | return 0;
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| 98 | }
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